// 设置cookie
const setCookie = function (cname, cvalue, exdays) {
  let d = new Date()
  d.setTime(d.getTime() + (exdays * 24 * 60 * 60 * 1000))
  let expires = "expires=" + d.toGMTString()
  document.cookie = cname + "=" + cvalue + "; " + expires+";path=/"
}
//获取cookie
const getCookie = function (cname) {
  var name = cname + "="
  var ca = document.cookie.split(';')
  for (var i = 0; i < ca.length; i++) {
    var c = ca[i]
    while (c.charAt(0) == ' ') c = c.substring(1)
    if (c.indexOf(name) != -1){
      return c.substring(name.length, c.length)
    }
  }
  return ""
}
//删除cookie
const delCookie = function (cname) {
  document.cookie = cname+"=;expires="+(new Date(0)).toGMTString()+";path=/"
}
export {
  setCookie,
  getCookie,
  delCookie
}